Brazilians Joao Fonseca and Marcelo Melo treated their home crowd to a convincing victory 6-4, 6-0 victory against second seeds Maximo Gonzalez and Andres Molteni on Wednesday at the Rio Open presented by Claro.
Fonseca and Melo relied on a standout serving percentage, landing 82 per cent of their first serves and winning 84 per cent of those points, according to Infosys ATP Stats.
Wild cards in the ATP 500 draw, Melo is 23 years Fonseca’s senior. They will next face Germans Jakob Schnaitter and Mark Wallner or fellow Brazilians Gustavo Heide and Luis Miguel.
Fonseca, seeded third in the singles draw, seeks a spot in the quarter-finals on Thursday against Peru's Ignacio Buse.
In other action Wednesday, Alejandro Tabilo advanced to the quarter-finals following a 4-6, 7-6(0), 6-2 win against lucky loser Francesco Passaro. Tabilo, who reached the last eight in Buenos Aires last week, has advanced to a Tour-level quarter-final in consecutive weeks for the first time.
Argentine Juan Manuel Cerundolo also earned a tight, three-set win to reach the biggest quarter-final of his career. The 24-year-old overcame Yannick Hanfmann 6-4, 6-7(1), 6-4 after two hours and 49 minutes. At No. 68 in the PIF ATP Live Rankings, Cerundolo is on pace for a new career high.
Vit Kopriva downed Roman Andres Burruchaga 6-3, 6-1 and Thiago Agustin Tirante advanced past Francisco Cerundolo when the top seed retired at 6-2, 3-1 due to injury.
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